Railway-frog



(in) Model.)

V. MGCLELLAN 8v G. D. WARREN.

RAILWAY FROG.

No. 556,685. Patented Mau-= I7, 1896.

Witnesses: 4 Inventors- %MW a) Pam M Attorneyy,

UNITED STATES VIE-GIL PATENT OEETCE.

PARK, COLORADO.

RA! LWAY-FROG.

SPECIFICATION forming part of Letters Patent No. 556,685, dated March 17,1896. Application filed May 11, 1895. Serial No 549,008. (lilo model.)

To ail whom it may concern.-

Be it known that we, VInerL hlCCLELLAN, of Lawson, in the county of Clear Creek, and Govnnron D. WARREN, of Villa Park, in the county of Arapahoe, State of Colorado, have invented certain. new and useful Improvements in Railway-Frogs; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawings, which form part of this specification.

Our invention relates to improvements in IS railway-frogs, and the object of the same is to provide a movable rail-frog which is so adjusted by the switch-throwing mechanism as to make a continuous rail for the switch when open, and for the main track when the switch is closed.

rVith this object in view our invention consists in the novel features of construction hereinafter fully described and claimed, and illustrated in the drawings, in which- Figure l is a plan view of a section of a main track and siding, showing the switch provided with our improved frog. Fig. 2 is an enlarged detail view showing the frog-operating mechanism.

A is the main track; 13, the siding; O, the movable rail at the intersection thereof, and l) the base-plate upon which the rail turns.

E are the movable switch-rails, and F the transverse longitudinally-movable bar for opening and closing the switch.

Upon cross-tie G, adjacent to which bar F is arranged, is mounted the casing H, in which are pivotally secured the segment-levers l I. These segments are so arranged that their peripheries move quite adjacent to each other,

and each is connected to bar F by a link J.

K is a chain or red secured to the periphery of lever l and extending to and secured on the rounded side of the bell-crank lever L, to the inner end of which movable rail O is =connected by link ill. This connect-ion is to the end of the said movable rail nearest the switch, while the opposite end is connected by a similar lever m and chain or rod 0 to the segmentdever 1. Thus when the switch is opened, as shown in the drawings, lever 1,

rod 0, and bellcrank lever N have thrown the movable rail in line with the inner siding-rail so as to make a continuous track over the frog, while when the switch is closed the 5 5' reverse longitudinal movement of bar F will turn backward lever I, drawing forward chain K, which causes bel -erank lever L to move the pivoted frog in line with the main track, thus making a continuous passage thereon over the frog, as will be understood. The rods or chains leading from the switch to the frog are suitably ineased in a tube-casing P, while the longitudinal sides of base 13 are formed with a passage to accommodate the same, as shown.

The switch-throwing bar may be operated by any desired mechanism, none being here shown, as it forms no part of our invention.

By means of the arrangement here shown it will be seen that the frog coacts exactly with the movement of the switch-throwing bar, and as compensating springs Q are arranged in the chains or rods connecting the levers a tension is exerted on the latter which 7 5 causes them to hold the rail tightly in either position it may be thrown.

Having thus fully described our invention, what we claim, and desire to secure by Letters Patent, is-- 1. The combination of the pivoted frog, the bell-crank levers having rounded outer arms, the links connecting the inner arms to the frog on opposite sides of its pivot, and the operating-lines extended over the rounded 85 surfaces of the lever-arms and secured thereto, substantially as shown and described.

2. The combination of segments 1, l, a means for turning them, the operating-lines extended around and secured to the outer peo ripheries of said segments, and the movable frog adapted to be adjusted by the lines, substantially as shown and described.

3. he combination of the segments 1, I, arranged with their peripheries adjacent each 5 other, the operating-lines extended around and secured to said peripheriesflhe operatingbar, links J pivoted to the bar and extended therefrom in like direction and pivotally secured at their outer ends to the segments, IOO whereby when the operating-bar is moved the segments will be turned in opposite direc tions and a corresponding movement git the lines, and the frog and operating mech ism adapted to thus moved, snbst scribed.

4. The oolnbina air other, an operatin ranged with th en lebe actuated by the lines wh tntially as shown and tion of the segments peripheries adjacent each mechanism secured to an extremity of ea anism, whereby by the turning be loosened and operating meoh substantially as =11 s around the seglnen the point of connect egment, the lines extended ts and secured thereto at ion of the operating met 11- When one'line is drawn upon of its segment the other ill vi 2e versa, and the frog, and ani 111 actuated by'said lines,

shown and described.

5. The combination of t ovable frog,

switch throwing meohm ranged therebetween for base D provided with the upon one side, and the c from said casing to the sWi anism, said covering inol lines, substantially as shc In testimony whereof We tnres in presence of two w VIRGIL MCC the lines rating the 1 gitudinal oas iing extend hrowin g me the operati and desorib afiiY our sig tn esses. 1

ve oh -1 sin GOVERNOR Witnesses: E. M SABIN, v

A .1). Bonus.

D. YVARREN. 

